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All results from a given calculation for H2NCH2COOH (Glycine)

using model chemistry: MP2/CEP-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/CEP-31G*
 hartrees
Energy at 0K-55.710446
Energy at 298.15K-55.717375
HF Energy-54.968159
Nuclear repulsion energy99.239834
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at MP2/CEP-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3718 3530 63.95      
2 A' 3520 3342 0.96      
3 A' 3124 2966 17.07      
4 A' 1819 1727 260.57      
5 A' 1719 1632 17.92      
6 A' 1487 1412 12.11      
7 A' 1430 1358 25.34      
8 A' 1321 1254 8.95      
9 A' 1187 1127 144.63      
10 A' 1147 1089 168.42      
11 A' 989 939 181.02      
12 A' 849 806 41.76      
13 A' 628 597 9.09      
14 A' 459 436 34.94      
15 A' 255 242 8.87      
16 A" 3617 3434 2.96      
17 A" 3190 3028 10.34      
18 A" 1409 1337 0.72      
19 A" 1206 1145 0.87      
20 A" 925 878 1.14      
21 A" 664 630 124.13      
22 A" 518 492 33.78      
23 A" 246 234 64.04      
24 A" 67 64 3.68      

Unscaled Zero Point Vibrational Energy (zpe) 17747.3 cm-1
Scaled (by 0.9494) Zero Point Vibrational Energy (zpe) 16849.3 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at MP2/CEP-31G*
ABC
0.33251 0.12659 0.09469

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/CEP-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.560 0.000
O2 1.197 0.851 0.000
O3 -1.000 1.501 0.000
C4 -0.582 -0.865 0.000
N5 0.419 -1.941 0.000
H6 -0.545 2.373 0.000
H7 -1.233 -0.962 0.886
H8 -1.233 -0.962 -0.886
H9 1.031 -1.817 0.814
H10 1.031 -1.817 -0.814

Atom - Atom Distances (Å)
  C1 O2 O3 C4 N5 H6 H7 H8 H9 H10
C11.23201.37291.53882.53571.89322.14952.14952.71532.7153
O21.23202.29112.47152.89842.31323.15843.15842.79402.7940
O31.37292.29112.40183.72250.98392.62742.62743.97373.9737
C41.53882.47152.40181.46973.23781.10371.10372.04192.0419
N52.53572.89843.72251.46974.42022.11452.11451.02561.0256
H61.89322.31320.98393.23784.42023.51843.51844.54954.5495
H72.14953.15842.62741.10372.11453.51841.77242.42052.9569
H82.14953.15842.62741.10372.11453.51841.77242.95692.4205
H92.71532.79403.97372.04191.02564.54952.42052.95691.6273
H102.71532.79403.97372.04191.02564.54952.95692.42051.6273

picture of Glycine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O3 H6 105.704 C1 C4 N5 114.863
C1 C4 H7 107.731 C1 C4 H8 107.731
O2 C1 O3 123.080 O2 C1 C4 125.890
O3 C1 C4 111.030 C4 N5 H9 108.515
C4 N5 H10 108.515 N5 C4 H7 109.688
N5 C4 H8 109.688 H7 C4 H8 106.818
H9 N5 H10 104.990
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at MP2/CEP-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.141      
2 O -0.137      
3 O -0.377      
4 C -0.115      
5 N -0.557      
6 H 0.439      
7 H 0.160      
8 H 0.160      
9 H 0.283      
10 H 0.283      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.578 1.240 0.000 1.368
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.987 -2.582 0.000
y -2.582 -31.468 0.000
z 0.000 0.000 -27.650
Traceless
 xyz
x -3.428 -2.582 0.000
y -2.582 -1.150 0.000
z 0.000 0.000 4.577
Polar
3z2-r29.155
x2-y2-1.519
xy-2.582
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.000 0.000 0.000
y 0.000 0.000 0.000
z 0.000 0.000 0.000


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000